Rights to MSRs - Schedule of Interest Related to Financial Liability (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2018	Mar. 31, 2017
Servicing Liabilities at Fair Value [Line Items]
Changes in fair value	$ 16,712	$ 0
NRZ [Member]
Servicing Liabilities at Fair Value [Line Items]
Servicing fees collected on behalf of NRZ	127,017	147,311
Less: Subservicing fee retained by Ocwen	34,217	79,154
Net servicing fees remitted to NRZ	92,800	68,157
Runoff, settlement and other	53,038	16,999
Interest expense on NRZ/HLSS financing liability	23,050	51,158
NRZ [Member] \| Existing Rights to MSRs Agreements [Member]
Servicing Liabilities at Fair Value [Line Items]
Changes in fair value	116	0
NRZ [Member] \| 2017 Agreements and New RMSR Agreements [Member]
Servicing Liabilities at Fair Value [Line Items]
Changes in fair value	$ 16,596	$ 0

Bank Servicing Fees, Remitted

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Bank Servicing Fees Retained

+ References

No definition available.

+ Details

Name:	ocn_BankServicingFeesRetained
Namespace Prefix:	ocn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

This represents the gain realized on a transfer, accounted for as financing, of a portion of servicing assets and reflects the amount of sales proceeds in excess of the sum of the carrying amounts of transferred financial assets.

+ References

No definition available.

+ Details

Name:	ocn_GainOnValuationOfFinancingLiability
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Reduction in Financing Liability

+ References

No definition available.

+ Details

Name:	ocn_ReductioninFinancingLiability
Namespace Prefix:	ocn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

This element represents interest incurred for borrowed money which was used to produce goods or render services.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.2)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

+ Details

Name:	us-gaap_FinancingInterestExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The cash inflow associated with the collection, including prepayments, of loans receivable issued for financing of goods and services.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Details

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- Details

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Data Type:	na
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- Details

Name:	invest_InvestmentContractCounterpartyAxis=ocn_TwoThousandSeventeenAgreementsandNewRMSRAgreementsMember
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